Don ' t apply the reverse polarity to the actuator unit 通电时注意电源极性，不能反接。
2.
The reverse reception crossing analysis of the classification train in one - way marshalling yard 单向编组站改编列车反接进路交叉分析
3.
Study on humping capacity of arrival yard receive reversing trains in north xuzhou marshalling station 徐州北编组站上到场反接列车对驼峰能力影响的计算
4.
Defense plug protection circuit to avoid the damage and negative effects speed , 1ms response time 防反接保护，避免了电路损坏和不良后果高速， 1ms响应时间
5.
With short circuit , overload , charging protection , prevention of feedback on the all - protection measures 具有短路、过载、充电保护、防反接等全功能保护措施。
6.
Based on analysis and contrast of the whole operating process from driving to reverse connect braking and regenerative braking for pmdcm , reverse connect braking has some characteristics of great phase currents and not returning energy 摘要对永磁无刷直流电动机从电动运行过渡到反接制动或回馈制动运行的整个过程进行了计算和比较。
7.
Abstract : the system composed of intelligent control modules for three - phase induction motors is introduced in this paper . this module can conduct starting , reverse braking , and reverse conrtol with current limiting resistance . besides , it can also detect low voltage , overload , and open circuit of 1 or 2 phases , and do protection according to the detection . it especially fits to the controlling of motors which often do starting , braking and reversing 文摘:介绍了一种智能三相电机控制模块组成的系统，能在串电阻(电抗)起动、反接制动和换向控制的基础上进行欠压检测、过载检测、断相检测及电机故障保护.尤其适用于起动、制动和换向控制频繁的电机控制场合
8.
Regarding the accumulator to start motive force urgency treating the maintenance with maintaining , our factory is for suiting the needs of society to swift and violent development and extensive use along with automobile , motorcycle as well as agriculture with the car , by way of the constantly improvement to the old style battery - charging unit , producing out " full active protection battery - charging unit of computer " , it has collected to fill and the all direction protection such as flows and joining versely etc in an organic whole , being compared with the ordinary battery - charging unit , it adopts the ring mould transformer of high quality high efficiency , possesses that to bear the weight the current strong , grows in service life etc the characteristic , can make the accumulator 2 - 3 lengthening life span times 随着汽车、摩托车以及农用车的迅猛发展和广泛应用，作为启动动力的电瓶急待维护和保养，我厂为适应社会的需要，通过对老式充电机的不断改进，生产出“电脑全自动保护充电机” ，它集过充、过流、反接等全方位保护于一体，与普通充电机相比，它采用优质高效的环型变压器，具有承载电流强，使用寿命长等特点，可使电瓶延长寿命2 - 3倍。
